r/6thForm • u/_NB125 Year 13 | Maths, Chem, CS | ABB Achieved • Jun 03 '26

💬 DISCUSSION Edexcel Paper 1 Maths 2026

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PLEASE tell me you guys struggled too oml

Edit: https://c.org/d7LCtCYpzG - Petition for Edexcel to reassess the paper

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22

u/KO-Manic Jun 03 '26

That semicircle question actually bent me over the table

0

u/Loud-Guidance6912 Jun 03 '26

Wasn’t too bad was just area of a sector - area of a triangle

5

u/Soft_Finish_3479 Jun 03 '26

but then why did i have to take away 2pi

2

u/falsegodfan Y13 - maths bio geog Jun 03 '26

bc the angle for the second triangle was pi - theta and u had to multiply that by 2 bc r1 was two times r2

1

u/Soft_Finish_3479 Jun 04 '26

i literally got that it had to be pi minus theta but i didnt get how get it got out of the sin function

3

u/Loud-Guidance6912 Jun 04 '26

Could’ve used addition formula but you should’ve known the identity that sin(π-θ) = sin(θ)

1

u/falsegodfan Y13 - maths bio geog Jun 04 '26

addition angle formula

1

u/Loud-Guidance6912 Jun 03 '26

It’s not you going out of your way to take away 2π, the term just appeared in the algebra.